Grafting of silane on thermoplastics or elastomers for purposes

Details Grafting of silane on thermoplastics or elastomers for purposes Grafting of silane on thermoplastics or elastomers for purposes

1975-08-18

1977-11-15

Briggs, Sr., Wilbert J.

Plastic and nonmetallic article shaping or treating: processes

Forming continuous or indefinite length work

Shaping by extrusion

20415913, 260827, C08F25502, C08F29102, C08G 7742

Patent

active

040585832

ABSTRACT:
Granulated polyethylene is agitated and mixed with a solution of silane with peroxide, activators and anti-oxidants and at a temperature between 80.degree. to 100.degree. C to obtain diffusion of these additives into the polyethylene particles which is followed by grafting through extrusion or radiation which in turn is followed by exposure to and/or development of water to obtain cross-linking. A catalyst is added preferably by mixing polyethylene powder with the catalyst and adding that powder to the powder with diffused silane, after that diffusion has been completed.

REFERENCES:
patent: 3644315 (1972-02-01), Gardner et al.
patent: 3830872 (1974-08-01), Schrage et al.

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